CN220753337U - Modular wiring terminal - Google Patents

Abstract

The utility model discloses a modular wiring terminal, which comprises at least one group of plug-in terminal modules, wherein each plug-in terminal module consists of a movable plug-in terminal module and a static plug-in terminal module, and further comprises: the upper support and the lower support, move the lower extreme of grafting terminal module and fix on the lower support, quiet grafting terminal module is installed through the mode of pegging graft on the moving grafting terminal module, the upper support is located grafting terminal module's rear side just the upper support is used for fixed a plurality of grafting terminal module. Compared with the prior art, the wiring electronic device has a modular structure, can greatly reduce the maintenance difficulty of products, can provide proper terminal numbers according to the needs of customers, reduces the volume of the products, and improves the utilization rate.

Description

Modular wiring terminal

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a modular wiring terminal.

Background

The terminal is an important component of the universal circuit breaker, and has the function of realizing state signal transmission between the inside and the outside of the circuit breaker, and a user can realize electrical control on the circuit breaker through secondary wiring, wherein the terminal can be divided into an integral type and a module type which are spliced in the prior art, as shown in fig. 1 and 2.

At present, in a drawer type universal circuit breaker, a wiring terminal mainly comprises two parts: the movable wiring terminal and the static wiring terminal are respectively arranged on the body and the drawer seat; the existing wiring terminal has the following problems:

1. when the drawer-type breaker body is rocked, the movable wiring terminal and the static wiring terminal are spliced, in the splicing process, the prior art has the possibility of damage caused by difficult splicing and even error splicing and extrusion of the wiring terminal due to the fact that the direction offset exists, as shown in fig. 1;

2. the existing wiring terminal is swayed in the transportation and use processes, and the phenomena of open circuit caused by unsmooth splicing, terminal damage caused by heating caused by virtual splicing and the like can occur.

3. The integral binding post of current is whole size bigger, can't purposefully provide suitable terminal quantity when treating different demands, as shown in fig. 2.

4. If the existing integrated wiring terminal product is damaged in the use process, the whole wiring terminal needs to be detached during maintenance, and the damaged terminal part can be detached after the whole wiring terminal is detached, so that the operation is extremely complex, and the maintenance is relatively difficult.

5. The whole volume is great when current integral type binding post is used, and the terminal number can not change, and the user can't select suitable terminal quantity according to the demand, can't effectively improve terminal utilization ratio, can lead to the circuit breaker to reserve more spaces simultaneously and be used for installing binding post, reduces product reliability.

According to the utility model, a modular structure is needed, the maintenance difficulty of products can be greatly reduced, the number of terminals can be properly provided according to the needs of customers, the product volume is reduced, the utilization rate is improved, and the problem of independent replacement is solved.

Disclosure of Invention

The utility model aims to provide a fixed contact fixing structure, so as to solve the problems in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a modular terminal comprises at least one group of plug terminal modules, each plug terminal module consists of a movable plug terminal module and a static plug terminal module,

further comprises: the upper support and the lower support, move the lower extreme of grafting terminal module and fix on the lower support, move the mode of grafting terminal module through pegging graft and install on the quiet grafting terminal module, the upper support is located grafting terminal module's rear side just the upper support is used for fixed a plurality of grafting terminal module.

Further, the static plug terminal module includes: the static terminal assembly is installed in the static terminal shell, and the dust cover covers the static terminal assembly and the static terminal shell and is fixed on the static terminal shell through a fixing piece.

Further, the static terminal assembly includes: the shell is provided with a trapezoid inserting boss at the top, and a plurality of limiting bosses for limiting are arranged on the inner surface of the upper end of the trapezoid inserting boss;

the static terminal shell is connected with the shell in a plug-in combination manner;

the die further comprises a conductive contact piece, wherein the conductive contact piece and the trapezoidal inserting boss form an independent die cavity.

Further, the static terminal shell comprises a bottom plate, a first side wall, a second side wall and a third side wall, wherein the bottoms of the first side wall and the third side wall are fixed on two sides of the bottom plate, the second side wall is positioned between the first side wall and the third side wall, and the lower end of the second side wall is fixed at the rear end of the bottom plate;

the upper surface of bottom plate still is equipped with a plurality of holding tanks that are used for fixed quiet terminal subassembly.

Further, a guide groove and a U-shaped limit groove for guiding the movable terminal are further formed below the accommodating groove.

Further, a barb type limiting table is further arranged on the inner surface of the second side wall, and an H-shaped clamping groove is formed between the barb type limiting tables;

the upper end on the second lateral wall still is equipped with the clamp, the clamp is used for fixed upper bracket.

Further, the movable plug terminal module includes: the movable plug-in framework is fixed on the socket, and a limiting boss is further arranged at the bottom of the socket;

the movable plug-in framework comprises: an upper plug bone and a lower plug bone, the upper plug bone and the lower plug bone each comprising: the pin and the movable conductive contact sheet are arranged on the pin, one end of the pin is fixed on the connecting plate, the other end of the pin extends to one end far away from the connecting plate, and the conductive contact sheet is arranged on the pin;

wherein, the contact pin includes: the plug pin seat, be equipped with the fixed recess that is used for installing conductive contact piece on the upper surface of plug pin seat, the upper portion of fixed recess still is equipped with the fixed plate, the one end that the fixed plate is close to the connecting plate and connecting plate fixed connection, the fixed plate keep away from the connecting plate one end with be equipped with the socket between the other end of contact pin, one side of fixed plate with one side fixed connection of fixed recess, the jack has still been seted up on the connecting plate, conductive contact piece fixed mounting is in the fixed recess.

Further, the socket both sides are equipped with the supporting seat, the socket front end is equipped with the guide way, the socket afterbody is equipped with the slot of inserting, the upper and lower both ends of connecting plate all are equipped with elastic structure.

Further, one end of the movable conductive contact piece is also provided with a wiring hole, the other end of the movable conductive contact piece is also provided with a roundabout part, and two sides of the movable conductive contact piece are also provided with limit grooves;

the lower surface of fixed plate still is equipped with the stopper corresponding to the department of spacing recess, the upper surface of fixed recess still is equipped with the support column, the support column with be equipped with the interval between the upper surface of fixed plate.

Further, the upper bracket comprises a first fixing plate, a second fixing plate and a third fixing plate, and the first fixing plate and the third fixing plate are respectively arranged at two ends of the second fixing plate; the upper end of the second fixing plate is provided with a plurality of U-shaped accommodating grooves;

the lower support comprises a support plate, a support beam is arranged on the support plate and used for being fixedly connected with the terminal module, and a threaded hole is formed in the support beam.

The beneficial effects of the utility model are as follows:

the whole structure is a modular structure, the dynamic and static terminals can be independently replaced, the maintenance difficulty of the product can be greatly reduced, the number of the terminals can be properly reduced according to the needs of customers, the product volume is reduced, and the utilization rate is improved.

In the terminal grafting process, through setting up spacing recess, fixed recess and then playing the function of rectifying, realize the multi-angle of product and rectify, avoid appearing pegging graft insecurely, the condition of virtual joint.

Be equipped with the dust cover on the shell, can improve the reliability of product in adverse circumstances, be equipped with the elasticity buckle simultaneously, make the product installation simpler and more simple and easy, firm, greatly reduced maintains the degree of difficulty.

Drawings

Fig. 1 is a structural view of a prior art terminal;

fig. 2 is a structural view of a prior art terminal;

FIG. 3 is a schematic view of the modular terminal of the present utility model;

FIG. 4 is a block diagram of a dust cap of the present utility model;

FIG. 5 is a schematic view of the housing structure of the static terminal assembly of the present utility model;

FIG. 6 is a schematic view of a trapezoidal shaped mating boss configuration of the static terminal assembly of the present utility model;

FIG. 7 is a schematic view of a trapezoidal shaped mating boss configuration of the static terminal assembly of the present utility model;

FIG. 8 is a schematic view of the structure of an electrical contact of the present utility model;

FIG. 9 is a schematic view of the structure of the static terminal housing of the present utility model;

FIG. 10 is a schematic view of the structure of the static terminal housing of the present utility model;

FIG. 11 is an enlarged block diagram of FIG. 10 II;

FIG. 12 is a schematic view of the structure of the static terminal housing and the static terminal assembly of the present utility model;

fig. 13 is a schematic structural view of the movable plug terminal module of the present utility model;

fig. 14 is a schematic structural view of the movable plug terminal module of the present utility model;

fig. 15 is a schematic structural view of the movable plug terminal module of the present utility model;

FIG. 16 is a schematic view of the structure of the dynamic plug framework of the present utility model;

FIG. 17 is a schematic view of the structure of the dynamic plug framework of the present utility model;

fig. 18 is a schematic view of the upper bracket structure of the present utility model.

Reference numerals: a movable plug terminal module 1, a static plug terminal module 2, an upper bracket 3 and a lower bracket 4;

dust cover 20, first shroud plate 201, second shroud plate 202, third shroud plate 203, waist-shaped hole 204, circular boss 205;

the movable plug framework 11, the socket 12, the limit boss 13, the pin 111, the movable conductive contact sheet 112, the connecting plate 113, the fixing groove 114, the fixing plate 115, the socket 116, the chamfer 117, the wiring hole 118, the roundabout part 119, the limit groove 1121, the limit block 1122 and the support column 1141;

the static terminal housing 21, the bottom plate 211, the first side wall 212, the second side wall 213, the third side wall 214, the accommodating groove 215, the guide groove 216, the U-shaped limiting groove 217, the barb-shaped limiting table 218, the H-shaped clamping groove 219, the clamp 2101, the clamp mounting groove 2131, the serrated channel 2132, the limiting groove 2133, the fixing groove 2134 and the wedge-shaped protrusion 2135;

the static terminal assembly 22, the shell 221, the trapezoid inserting boss 2211, the limiting boss 2212, the static terminal shell 222, the inserting piece 2221, the electric contact 223, the insulating layer 224 and the fixing bolt 225.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.

It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.

As shown in fig. 3 to 18, in the present embodiment, there is provided a modular terminal comprising at least one set of plug terminal modules, each of which is composed of a movable plug terminal module 1 and a stationary plug terminal module 2,

further comprises: the upper bracket 3 and the lower bracket 4, the lower extreme of moving the grafting terminal module 2 is fixed on the lower bracket 4, move the grafting terminal module 1 through the mode installation of pegging graft on the quiet grafting terminal module 2, the upper bracket 3 is located the rear side of grafting terminal module, just the upper bracket 3 is used for fixed a plurality of grafting terminal modules.

According to the mode, the movable plug terminal module 1 and the static plug terminal module 2 can be independently replaced by adopting the modular structure, so that the maintenance difficulty of a product can be greatly reduced, the proper terminal number can be provided according to the needs of customers, the product volume is reduced, and the utilization rate is improved.

Specifically, in this embodiment, the static plug terminal module 2 includes: the static terminal assembly 22, the dust cover 20 and the static terminal housing 21, the static terminal assembly 22 is installed in the static terminal housing 21, the dust cover 20 covers the static terminal assembly 22 and the static terminal housing 21 and is fixed on the static terminal housing 21 through fixing pieces, in this embodiment, the fixing pieces are fixed through bolts, in the actual use process, the fixing pieces can also adopt other fixing pieces, not only are the first cover plate 201, the second cover plate 202 and the third cover plate 203 illustrated herein, the third cover plate 203 is fixedly installed at the upper ends of the first cover plate 201 and the second cover plate 202, the third cover plate 203 is in a step shape, a plurality of waist-shaped holes 204 are formed in the surface of the third cover plate 203, the waist-shaped holes 204 are used for inserting wires by users, in this embodiment, the inner sides of the bottom plate bottoms of the first cover plate 201 and the second cover plate 202 are all provided with a plurality of circular bosses 205, in an integral molding or welding mode, in this embodiment, the circular bosses 205 are used for being matched with the circular bosses 205 on the static terminal housing 21, and the number of circular bosses 205 is not limited in this embodiment, the number of circular bosses is actually used.

In addition, it is worth integrating that the static terminal assembly 22 comprises: the device comprises a shell 221, wherein a trapezoid inserting boss 2211 is arranged at the top of the shell 221, a half-waist-shaped slot hole is formed in the trapezoid inserting boss 2211, and a plurality of limiting bosses 2212 used for limiting are arranged on the inner surface of the upper end of the trapezoid inserting boss;

a stationary terminal housing 222, wherein the stationary terminal housing 222 is connected with the housing 221 in a plug-in combination manner;

the novel electric connector further comprises a conductive contact piece 223, wherein the conductive contact piece 223 and the trapezoidal inserting boss 2211 form an independent cavity, a wiring fixing bolt 225 is arranged in the independent cavity, the conductive contact piece 223 comprises a vertical plate and a transverse plate, the lower end of the vertical plate is connected with one end of the transverse plate, and the outer surface of the transverse plate is wrapped with an insulating layer 224;

the lower extreme of shell 221 still is equipped with the supporting leg, be equipped with a plurality of barb type fixed knot on the supporting leg and take turns to the protruding 2213, fixed knot protruding 2213 with fixed orifices cooperation is fixed on the quiet terminal casing 222, when binding post needs maintenance, can change the maintenance alone to inside through shell 221 and quiet terminal casing 222 grafting department separation to the greatly reduced maintenance degree of difficulty, still be equipped with a plurality of inserted sheet 2221 on the surface of quiet terminal casing 222, the upper end and the quiet terminal casing 222 fixed connection of inserted sheet 2221.

Specifically, in the present embodiment, the static terminal housing 21 includes: the bottom plate 211, the first side wall 212, the second side wall 213 and the third side wall 214, wherein the bottoms of the first side wall 212 and the third side wall 214 are fixed on two sides of the bottom plate 211, the first side wall 212 and the third side wall 214 have the same structure and the same size, the second side wall 213 is positioned between the first side wall 212 and the third side wall 214, and the lower end of the second side wall 213 is fixed on the rear end of the bottom plate 211;

the upper surface of the bottom plate 211 is further provided with a plurality of accommodating grooves 215 for fixing the static terminal assemblies, the accommodating grooves 215 are uniformly arranged on the upper surface of the bottom plate 211 in parallel, one end of the bottom plate 211, which is close to the second side wall 213, is higher than one end, which is far away from the second side wall, and the static terminal assemblies are conveniently inserted into the static terminal housing.

In order to facilitate the installation of the movable plug terminal module on the static terminal housing, a guide groove 216 for guiding the movable terminal module and a U-shaped limit groove 217 are also arranged below the accommodating groove 215.

In addition, it should be noted that the second side wall 213 is further provided with a barb-shaped limiting platform 218 on an inner surface thereof, an H-shaped clamping groove 219 is provided between the barb-shaped limiting platforms 218, the insert 2221 is inserted into the H-shaped limiting groove and passes through the barb-shaped limiting platform 218, and a chamfer is provided on the barb-shaped limiting platform 218 to facilitate the installation and fixation of the static terminal module;

the upper end on the second lateral wall 213 still is equipped with the clamp 2101 of pluggable, the clamp 2101 is used for fixing upper bracket 3, specifically, the upper end of second lateral wall 213 is equipped with clamp mounting groove 2131, be equipped with cockscomb structure passageway 2132 and spacing groove 2133 in the clamp mounting groove 2131, in order to be convenient for with clamp 2101 installs in clamp mounting groove 2131, clamp 2101 both sides are equipped with elastic construction 21011, after the terminal is installed, push into in the mounting groove 2131 with clamp 2101, slide to spacing groove 2133 in cockscomb structure passageway 2132, guarantee that the stroke of clamp 2101 in clamp mounting groove 2131 has certain limited slip, after the draw-in groove is put into to upper bracket 3, can advance clamp 2131 and fix, when need maintain the terminal, release clamp 2101 in clamp mounting groove 2131, and then be convenient for maintain and dismantle upper bracket 3.

In addition, in order to facilitate the installation of the upper bracket 3, a plurality of fixing grooves 2134 are further provided on the outer surface of the second sidewall 213, and wedge-shaped protrusions 2135 are provided at the bottom of the fixing grooves 2134.

In the present embodiment, the movable plug terminal module 1 includes: the movable plug-in framework 11 and the socket 12, wherein the movable plug-in framework 11 is fixed on the socket 12, a limiting boss 13 is further arranged at the bottom of the socket 12, and the movable amount of the socket moving forwards and backwards in the plug-in process is ensured through the limiting boss 13;

specifically, the movable plug skeleton 11 includes:

an upper plug bone and a lower plug bone, the upper plug bone and the lower plug bone each comprising: a pin 111 and a movable conductive contact piece 112, one end of the pin 111 is fixed on the connection board 113, the other end of the pin 111 extends to one end far away from the connection board 113, and the conductive contact piece 112 is mounted on the pin 111;

wherein, the pin 111 includes: the pin holder, all be equipped with the fixed recess 114 that is used for installing conductive contact piece on the upper surface and the lower surface of pin holder, fixed recess 114 still includes fixed plate 115, fixed plate 155 is close to the one end and the connecting plate 113 fixed connection of connecting plate 113, fixed plate 115 keeps away from connecting plate 113 one end with be equipped with socket 116 between the other end of contact pin 111, one side of fixed plate 115 with one side fixed connection of fixed recess 114, the jack has still been seted up on the connecting plate 113, conductive contact piece fixed mounting is in fixed recess 114, during the concrete installation, conductive contact piece 112 extends to the jack along socket 116 after inserting to extend conductive contact piece 112's one end that is close to connecting plate 113 from the jack inwards, owing to set up fixed recess 114 and fixed plate 115 and then avoid conductive contact piece 112 to expose outside on the pin holder, the one end that the connecting plate 113 was kept away from to the connecting plate 113 is equipped with chamfer 117, chamfer 117 is to one side of fixed recess 114 to be convenient for insert.

Further, the two sides of the socket 12 are provided with supporting seats 122, the front end of the socket is provided with a guide groove 123, and the tail of the socket is provided with a wire inserting groove 124; the bottom of socket is equipped with boss 121, be equipped with a plurality of elastic structure 125 on the circumference outward appearance of connecting plate, can carry out elasticity grafting fixedly with the socket upper slot through the elastic structure 125 that sets up, safer in the use, in addition, it is said that the upper and lower both ends of connecting plate all are equipped with elastic structure 125, realize can carrying out elasticity grafting fixedly with the socket upper slot.

Specifically, one end of the movable conductive contact 112 is further provided with a wiring hole 118, and in order to firmly mount and fix the movable conductive contact, for example, in this embodiment, the other end of the movable conductive contact is further provided with a roundabout portion 119, and two sides of the movable conductive contact are further provided with a limit groove 1121;

the lower surface of the fixing plate is further provided with a limiting block 1122 corresponding to the limiting groove 1121, the upper surface of the fixing groove 114 is further provided with a supporting column 1141, and a space is provided between the supporting column 1141 and the upper surface of the fixing plate 115 to ensure the stability of the movable conductive contact 112 in the plugging process.

Further, as shown in fig. 15, the upper bracket 3 includes a first fixing plate 301, a second fixing plate 302, and a third fixing plate 303, where the first fixing plate 301 and the third fixing plate 303 are respectively mounted at two ends of the second fixing plate 302, and the first fixing plate 301, the second fixing plate 302, and the third fixing plate 303 are connected together by integrally forming or adopting a welding manner, so as to ensure that the first fixing plate 301, the second fixing plate 302, and the third fixing plate 303 can be firmly fixed together, the upper bracket is made into a C-shape by the first fixing plate 301, the second fixing plate 302, and the third fixing plate 303, bolt holes are provided at two ends for fixing the terminals on the circuit breaker, and a plurality of U-shaped accommodating grooves 304 are provided at the upper end of the second fixing plate, through which a plurality of terminal modules can be mounted and fixed during splicing;

the lower support 4 comprises a support plate, a support beam is arranged on the support plate and used for the static plug-in terminal module, a threaded hole is formed in the support beam, the support beam is used for supporting the static plug-in terminal module, a bolt hole is formed in the lower end of the support beam, and stability of the static plug-in terminal module in the process of shaking in and out of the circuit breaker is guaranteed.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.

Claims (6)

1. A modular terminal is characterized by comprising at least one group of plug terminal modules, each plug terminal module consists of a movable plug terminal module and a static plug terminal module,

further comprises: the upper bracket and the lower carriage, move the lower extreme of grafting terminal module and fix on the lower carriage, move the mode of grafting terminal module through pegging graft and install on the quiet grafting terminal module, the upper bracket is located grafting terminal module's rear side, just the upper bracket is used for fixed a plurality of grafting terminal module, quiet grafting terminal module includes: the static terminal subassembly, dust cover and static terminal shell, the static terminal subassembly is installed in the static terminal shell, the dust cover is in on static terminal subassembly and the static terminal shell to fix through the mounting on the static terminal shell, the static terminal subassembly includes: the shell is provided with a trapezoid inserting boss at the top, and a plurality of limiting bosses for limiting are arranged on the inner surface of the upper end of the trapezoid inserting boss;

the static terminal shell is connected with the shell in a plug-in combination manner;

the die further comprises a conductive contact piece, wherein the conductive contact piece and the trapezoidal inserting boss form an independent die cavity;

the movable plug terminal module includes: the movable plug-in framework is fixed on the socket, and a limiting boss is further arranged at the bottom of the socket;

the movable plug-in framework comprises: an upper plug bone and a lower plug bone, the upper plug bone and the lower plug bone each comprising: the pin and the movable conductive contact sheet are arranged on the pin, one end of the pin is fixed on the connecting plate, the other end of the pin extends to one end far away from the connecting plate, and the conductive contact sheet is arranged on the pin;

wherein, the contact pin includes: the plug pin seat is characterized in that the upper surface and the lower surface of the plug pin seat are respectively provided with a fixing groove used for installing a conductive contact piece, the fixing grooves further comprise fixing plates, one ends of the fixing plates, which are close to the connecting plates, are fixedly connected with the connecting plates, a socket is arranged between one ends of the fixing plates, which are far away from the connecting plates, and the other ends of the plug pins, one sides of the fixing plates are fixedly connected with one sides of the fixing grooves, the connecting plates are further provided with jacks, and the conductive contact pieces are fixedly installed in the fixing grooves;

the socket is characterized in that supporting seats are arranged on two sides of the socket, a guide groove is formed in the front end of the socket, a wire inserting groove is formed in the tail of the socket, and elastic structures are arranged at the upper end and the lower end of the connecting plate.

2. The modular terminal of claim 1, wherein: the static terminal shell comprises a bottom plate, a first side wall, a second side wall and a third side wall, wherein the bottoms of the first side wall and the third side wall are fixed on two sides of the bottom plate, the second side wall is positioned between the first side wall and the third side wall, and the lower end of the second side wall is fixed at the rear end of the bottom plate;

the upper surface of bottom plate still is equipped with a plurality of holding tanks that are used for fixed quiet terminal subassembly.

3. The modular terminal of claim 2, wherein: and a guide groove for guiding the movable plug terminal module and a U-shaped limit groove are further arranged below the accommodating groove.

4. The modular terminal of claim 2, wherein: the inner surface of the second side wall is also provided with a barb type limiting table, and an H-shaped clamping groove is arranged between the barb type limiting tables;

the upper end on the second side wall is also provided with a pluggable clamp, and the clamp is used for fixing the upper bracket.

5. The modular terminal of claim 1, wherein one end of the movable conductive contact piece is further provided with a wiring hole, the other end of the movable conductive contact piece is further provided with a roundabout part, and both sides of the movable conductive contact piece are further provided with limiting grooves;

the lower surface of fixed plate still is equipped with the stopper corresponding to the department of spacing recess, the upper surface of fixed recess still is equipped with the support column, the support column with be equipped with the interval between the upper surface of fixed plate.

6. The modular terminal of claim 1, wherein the upper bracket includes a first fixed plate, a second fixed plate, and a third fixed plate, the first fixed plate and the third fixed plate being mounted at both ends of the second fixed plate, respectively; the upper end of the second fixing plate is provided with a plurality of U-shaped accommodating grooves;

the lower support comprises a support plate, a support beam is arranged on the support plate and used for being fixedly connected with the terminal module, and a threaded hole is formed in the support beam.